| Acronym | Definition |
|---|
| OMZ➣Oxygen Minimum Zone (ocean seawater zone) |
| OMZ➣Ossa-Morena Zone (geography; Portugal) |
| OMZ➣Obedinennye Mashinostroitelnye Zavody (Russian Engineering Company, formerly United Heavy Machinery) |
| OMZ➣Oh My Zeus (exclamation) |
| OMZ➣Oh My Zelf |